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This part of IEC 61869 applies to new single-phase capacitor voltage transformers connected between line and ground for system voltages Um ≥ 72,5 kV at power frequencies from 15 Hz to 100 Hz. They are intended to supply a low...

1 General NOTE - This Part is intended to be read together with the Standard for Low-Voltage Fuses - Part 1: General Requirements, hereafter referred to as Part 1. The numbering of the Clauses in this Part corresponds to like...

Purpose and scope This standard specifies the characteristics of neck protectors that are designed to reduce the risk of direct lacerations on the neck caused by contact with a hockey skate blade in the protective zone of the...

This test method describes two procedures for the visual haze rating or appearance of contamination of liquid fuels with an ASTM colour rating of 5 or less, and a cloud point below the reported temperature of the test. The...

1 Scope 1.1 These requirements cover angle-pattern and straightway-pattern hose valves intended for use on standpipes, fire pumps, and hydrants supplying water for fire protection service. 1.2 Requirements for the...

This International Standard provides guidance for planning, designing, developing, implementing, maintaining and improving an effective and efficient business-to-consumer electronic commerce transaction (B2C ECT) system...

This National Standard specifies minimum requirements and a set of controls for developing, implementing, operating, monitoring, and governing trust in systems and services that consume and assert digital identity within and...

This document provides: - an explanation of the relationship between Internet security, web security, network security and cybersecurity; - an overview of Internet security; - identification of interested parties and a...

This test method provides a means of measuring the contribution of roof-deck assembly components to the spread of fire on the underside of the roof deck.This method also provides for the assessment of the extent of thermal...

The requirements in this Standard apply to non-metallic raceway systems used to enclose optical fibre cables, communication cables and electrical wires and cables with combustible insulation and jackets that are rated FT4 and...

This Standard covers manual stations and their accessories for installation in ordinary locations, indoor and outdoor, for use in fire alarm systems.A manual station having a pre-wound signalling mechanism and equipped with a...

This Standard establishes requirements for door closers intended for use with swinging doors in fire separations and on exit doors.NOTE: Tests in this Standard are performed under laboratory conditions. In actual usage...